Installable skillMIT

axiom-core-data-diag

Use when debugging schema migration crashes, concurrency thread-confinement errors, N+1 query performance, SwiftData to Core Data bridging, or testing migrations without data loss - systematic Core Data diagnostics with safety-first migration patterns

BY CharlesWiltgenUPDATED Oct 27, 2026
INTENDED FOR✳Claude Code>_Codex↗Cursor◎ChatGPTInstall in a listed agent.

instructions.md

---
name: axiom-core-data-diag
description: "Use when debugging schema migration crashes, concurrency thread-confinement errors, N+1 query performance, SwiftData to Core Data bridging, or testing migrations without data loss - systematic Core Data diagnostics with safety-first migration patterns"
---

# axiom-core-data-diag

This page used to hold an archived copy of this skill. The archive now lives in the registry's data repository.

- [Archived SKILL.md (snapshot from 2026-10-08)](https://github.com/majiayu000/claude-skill-registry-data/blob/a21980a5b576646393ed574f158d7dd92fae4c3f/data/axiom-core-data-diag/SKILL.md)
- [Find this skill in Claude Skills Registry](https://majiayu000.github.io/claude-skill-registry/?q=axiom-core-data-diag)
- [Request removal](https://github.com/majiayu000/claude-skill-registry-core/issues/new?template=removal-request.yml)

This pointer keeps old links working. It is not an installable skill.
COMPATIBILITY & REFERENCES

Platform guidance

Imported from the listed AgentSkill.sh category. Complete supplied package files and notices are retained. Required external tools and credentials are not installed. No bundled code was executed during import. Individual agent task behavior has not been tested.